328876231 has 4 divisors (see below), whose sum is σ = 328957200. Its totient is φ = 328795264.

The previous prime is 328876199. The next prime is 328876243. The reversal of 328876231 is 132678823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132678823 = 107 ⋅1239989.

It is a cyclic number.

It is not a de Polignac number, because 328876231 - 2⁵ = 328876199 is a prime.

It is a super-2 number, since 2×328876231² = 216319150633530722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328870231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34051 + ... + 42628.

It is an arithmetic number, because the mean of its divisors is an integer number (82239300).

Almost surely, 2^328876231 is an apocalyptic number.

328876231 is a deficient number, since it is larger than the sum of its proper divisors (80969).

328876231 is an equidigital number, since it uses as much as digits as its factorization.

328876231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80968.

The product of its digits is 96768, while the sum is 40.

The square root of 328876231 is about 18134.9450233520. The cubic root of 328876231 is about 690.2570148049.

The spelling of 328876231 in words is "three hundred twenty-eight million, eight hundred seventy-six thousand, two hundred thirty-one".